The New Encyclopædia Britannica, Volume 16Encyclopædia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 318
10–30 mm long ; 120 species . Subclass Cirripedia ( barnacles ) Upper Silurian ( 420,000,000 to 395,000,000 years ago ) to present , worldwide , marine to brackish water . Sedentary or parasitic ; head usually reduced and abdomen lost .
10–30 mm long ; 120 species . Subclass Cirripedia ( barnacles ) Upper Silurian ( 420,000,000 to 395,000,000 years ago ) to present , worldwide , marine to brackish water . Sedentary or parasitic ; head usually reduced and abdomen lost .
Page 360
A few species utter softer coo- cuckoos ( Chrysococcyx ) , the parasite relies mainly on a ing notes . single host species . Courtship behaviour . Except for features of parasit- Many birds react to a foreign object in the nest by de- ...
A few species utter softer coo- cuckoos ( Chrysococcyx ) , the parasite relies mainly on a ing notes . single host species . Courtship behaviour . Except for features of parasit- Many birds react to a foreign object in the nest by de- ...
Page 914
of different species . In both plants and animals , these changes involve the relinquishing of their opportunistic characteristics . Effects of the new environment . On the other hand , an organism arriving in a new area may have little ...
of different species . In both plants and animals , these changes involve the relinquishing of their opportunistic characteristics . Effects of the new environment . On the other hand , an organism arriving in a new area may have little ...
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Bibliographic information
| Title | The New Encyclopædia Britannica, Volume 16 The New Encyclopædia Britannica |
| Edition | 15 |
| Publisher | Encyclopædia Britannica, Incorporated, 1981 |
| Original from | University of Minnesota |
| Digitized | 19 Jan 2010 |
| ISBN | 085229378X, 9780852293782 |
| Export Citation | BiBTeX EndNote RefMan |